1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10/*
11 wchar.h synopsis
12
13Macros:
14
15 NULL
16 WCHAR_MAX
17 WCHAR_MIN
18 WEOF
19
20Types:
21
22 mbstate_t
23 size_t
24 tm
25 wint_t
26
27int fwprintf(FILE* restrict stream, const wchar_t* restrict format, ...);
28int fwscanf(FILE* restrict stream, const wchar_t* restrict format, ...);
29int swprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, ...);
30int swscanf(const wchar_t* restrict s, const wchar_t* restrict format, ...);
31int vfwprintf(FILE* restrict stream, const wchar_t* restrict format, va_list arg);
32int vfwscanf(FILE* restrict stream, const wchar_t* restrict format, va_list arg); // C99
33int vswprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, va_list arg);
34int vswscanf(const wchar_t* restrict s, const wchar_t* restrict format, va_list arg); // C99
35int vwprintf(const wchar_t* restrict format, va_list arg);
36int vwscanf(const wchar_t* restrict format, va_list arg); // C99
37int wprintf(const wchar_t* restrict format, ...);
38int wscanf(const wchar_t* restrict format, ...);
39wint_t fgetwc(FILE* stream);
40wchar_t* fgetws(wchar_t* restrict s, int n, FILE* restrict stream);
41wint_t fputwc(wchar_t c, FILE* stream);
42int fputws(const wchar_t* restrict s, FILE* restrict stream);
43int fwide(FILE* stream, int mode);
44wint_t getwc(FILE* stream);
45wint_t getwchar();
46wint_t putwc(wchar_t c, FILE* stream);
47wint_t putwchar(wchar_t c);
48wint_t ungetwc(wint_t c, FILE* stream);
49double wcstod(const wchar_t* restrict nptr, wchar_t** restrict endptr);
50float wcstof(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99
51long double wcstold(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99
52long wcstol(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
53long long wcstoll(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99
54unsigned long wcstoul(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
55unsigned long long wcstoull(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99
56wchar_t* wcscpy(wchar_t* restrict s1, const wchar_t* restrict s2);
57wchar_t* wcsncpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
58wchar_t* wcscat(wchar_t* restrict s1, const wchar_t* restrict s2);
59wchar_t* wcsncat(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
60int wcscmp(const wchar_t* s1, const wchar_t* s2);
61int wcscoll(const wchar_t* s1, const wchar_t* s2);
62int wcsncmp(const wchar_t* s1, const wchar_t* s2, size_t n);
63size_t wcsxfrm(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
64const wchar_t* wcschr(const wchar_t* s, wchar_t c);
65 wchar_t* wcschr( wchar_t* s, wchar_t c);
66size_t wcscspn(const wchar_t* s1, const wchar_t* s2);
67size_t wcslen(const wchar_t* s);
68const wchar_t* wcspbrk(const wchar_t* s1, const wchar_t* s2);
69 wchar_t* wcspbrk( wchar_t* s1, const wchar_t* s2);
70const wchar_t* wcsrchr(const wchar_t* s, wchar_t c);
71 wchar_t* wcsrchr( wchar_t* s, wchar_t c);
72size_t wcsspn(const wchar_t* s1, const wchar_t* s2);
73const wchar_t* wcsstr(const wchar_t* s1, const wchar_t* s2);
74 wchar_t* wcsstr( wchar_t* s1, const wchar_t* s2);
75wchar_t* wcstok(wchar_t* restrict s1, const wchar_t* restrict s2, wchar_t** restrict ptr);
76const wchar_t* wmemchr(const wchar_t* s, wchar_t c, size_t n);
77 wchar_t* wmemchr( wchar_t* s, wchar_t c, size_t n);
78int wmemcmp(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
79wchar_t* wmemcpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
80wchar_t* wmemmove(wchar_t* s1, const wchar_t* s2, size_t n);
81wchar_t* wmemset(wchar_t* s, wchar_t c, size_t n);
82size_t wcsftime(wchar_t* restrict s, size_t maxsize, const wchar_t* restrict format,
83 const tm* restrict timeptr);
84wint_t btowc(int c);
85int wctob(wint_t c);
86int mbsinit(const mbstate_t* ps);
87size_t mbrlen(const char* restrict s, size_t n, mbstate_t* restrict ps);
88size_t mbrtowc(wchar_t* restrict pwc, const char* restrict s, size_t n, mbstate_t* restrict ps);
89size_t wcrtomb(char* restrict s, wchar_t wc, mbstate_t* restrict ps);
90size_t mbsrtowcs(wchar_t* restrict dst, const char** restrict src, size_t len,
91 mbstate_t* restrict ps);
92size_t wcsrtombs(char* restrict dst, const wchar_t** restrict src, size_t len,
93 mbstate_t* restrict ps);
94
95*/
96
97#if defined(__cplusplus) && __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
98# include <__cxx03/wchar.h>
99#else
100# include <__config>
101
102# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
103# pragma GCC system_header
104# endif
105
106// We define this here to support older versions of glibc <wchar.h> that do
107// not define this for clang.
108# if defined(__cplusplus) && !defined(__CORRECT_ISO_CPP_WCHAR_H_PROTO)
109# define __CORRECT_ISO_CPP_WCHAR_H_PROTO
110# endif
111
112// The inclusion of the system's <wchar.h> is intentionally done once outside of any include
113// guards because some code expects to be able to include the underlying system header multiple
114// times to get different definitions based on the macros that are set before inclusion.
115# if __has_include_next(<wchar.h>)
116# include_next <wchar.h>
117# endif
118
119# ifndef _LIBCPP_WCHAR_H
120# define _LIBCPP_WCHAR_H
121
122# include <__mbstate_t.h> // provide mbstate_t
123# include <stddef.h> // provide size_t
124
125// Determine whether we have const-correct overloads for wcschr and friends.
126# if defined(_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_)
127# define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
128# elif defined(__GLIBC_PREREQ)
129# if __GLIBC_PREREQ(2, 10)
130# define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
131# endif
132# elif defined(_LIBCPP_MSVCRT)
133# if defined(_CRT_CONST_CORRECT_OVERLOADS)
134# define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
135# endif
136# endif
137
138# if _LIBCPP_HAS_WIDE_CHARACTERS
139# if defined(__cplusplus) && !defined(_LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS) && defined(_LIBCPP_PREFERRED_OVERLOAD)
140extern "C++" {
141inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcschr(const wchar_t* __s, wchar_t __c) {
142 return (wchar_t*)wcschr(__s, __c);
143}
144inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t* wcschr(const wchar_t* __s, wchar_t __c) {
145 return __libcpp_wcschr(__s, __c);
146}
147inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcschr(wchar_t* __s, wchar_t __c) {
148 return __libcpp_wcschr(__s, __c);
149}
150
151inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {
152 return (wchar_t*)wcspbrk(__s1, __s2);
153}
154inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t*
155wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {
156 return __libcpp_wcspbrk(__s1, __s2);
157}
158inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcspbrk(wchar_t* __s1, const wchar_t* __s2) {
159 return __libcpp_wcspbrk(__s1, __s2);
160}
161
162inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcsrchr(const wchar_t* __s, wchar_t __c) {
163 return (wchar_t*)wcsrchr(__s, __c);
164}
165inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t* wcsrchr(const wchar_t* __s, wchar_t __c) {
166 return __libcpp_wcsrchr(__s, __c);
167}
168inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcsrchr(wchar_t* __s, wchar_t __c) {
169 return __libcpp_wcsrchr(__s, __c);
170}
171
172inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcsstr(const wchar_t* __s1, const wchar_t* __s2) {
173 return (wchar_t*)wcsstr(__s1, __s2);
174}
175inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t*
176wcsstr(const wchar_t* __s1, const wchar_t* __s2) {
177 return __libcpp_wcsstr(__s1, __s2);
178}
179inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcsstr(wchar_t* __s1, const wchar_t* __s2) {
180 return __libcpp_wcsstr(__s1, __s2);
181}
182
183inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {
184 return (wchar_t*)wmemchr(__s, __c, __n);
185}
186inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t*
187wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {
188 return __libcpp_wmemchr(__s, __c, __n);
189}
190inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wmemchr(wchar_t* __s, wchar_t __c, size_t __n) {
191 return __libcpp_wmemchr(__s, __c, __n);
192}
193}
194# endif
195
196# if defined(__cplusplus) && (defined(_LIBCPP_MSVCRT_LIKE) || defined(__MVS__))
197extern "C" {
198size_t mbsnrtowcs(
199 wchar_t* __restrict __dst, const char** __restrict __src, size_t __nmc, size_t __len, mbstate_t* __restrict __ps);
200size_t wcsnrtombs(
201 char* __restrict __dst, const wchar_t** __restrict __src, size_t __nwc, size_t __len, mbstate_t* __restrict __ps);
202} // extern "C"
203# endif // __cplusplus && (_LIBCPP_MSVCRT || __MVS__)
204# endif // _LIBCPP_HAS_WIDE_CHARACTERS
205# endif // _LIBCPP_WCHAR_H
206
207#endif // defined(__cplusplus) && __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
208